f4cb631364
There are number of changes in the way IFUNC related relocations are done:
1. IRELATIVE relocations are now supported for x86/x86_64 and arm64.
2. IFUNC relocations are now relying on static linker to generate
them in correct order - this removes necessety of additional
relocation pass for ifuncs.
3. Related to 2: rela?.dyn relocations are preformed before .plt ones.
4. Ifunc are resolved on symbol lookup this approach allowed to avoid
mprotect(PROT_WRITE) call on r-x program segments.
Bug: 17399706
Bug: 17177284
(cherry picked from commit 9aea164457)
Change-Id: Ie19d900fc203beb93faf8943b0d06d534a6de4ad
341 lines
12 KiB
Makefile
341 lines
12 KiB
Makefile
#
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# Copyright (C) 2012 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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LOCAL_PATH := $(call my-dir)
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TEST_PATH := $(LOCAL_PATH)/..
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# -----------------------------------------------------------------------------
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# Library used by dlfcn tests.
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# -----------------------------------------------------------------------------
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ifneq ($(TARGET_ARCH),$(filter $(TARGET_ARCH),mips mips64))
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no-elf-hash-table-library_src_files := \
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empty.cpp \
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no-elf-hash-table-library_ldflags := \
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-Wl,--hash-style=gnu \
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module := no-elf-hash-table-library
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module_tag := optional
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build_type := target
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build_target := SHARED_LIBRARY
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include $(TEST_PATH)/Android.build.mk
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endif
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# -----------------------------------------------------------------------------
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# Library used by dlext tests - with GNU RELRO program header
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# -----------------------------------------------------------------------------
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libdlext_test_src_files := \
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dlext_test_library.cpp \
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libdlext_test_ldflags := \
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-Wl,-z,relro \
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module := libdlext_test
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module_tag := optional
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build_type := target
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build_target := SHARED_LIBRARY
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include $(TEST_PATH)/Android.build.mk
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# -----------------------------------------------------------------------------
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# create symlink to libdlext_test.so for symlink test
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# -----------------------------------------------------------------------------
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# Use = instead of := to defer the evaluation of $@
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$(LOCAL_INSTALLED_MODULE): PRIVATE_POST_INSTALL_CMD = \
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$(hide) cd $(dir $@) && ln -sf $(notdir $@) libdlext_test_v2.so
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ifneq ($(TARGET_2ND_ARCH),)
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# link 64 bit .so
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$(TARGET_OUT)/lib64/libdlext_test.so: PRIVATE_POST_INSTALL_CMD = \
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$(hide) cd $(dir $@) && ln -sf $(notdir $@) libdlext_test_v2.so
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endif
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# -----------------------------------------------------------------------------
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# Library used by dlext tests - without GNU RELRO program header
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# -----------------------------------------------------------------------------
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libdlext_test_norelro_src_files := \
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dlext_test_library.cpp \
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libdlext_test_norelro_ldflags := \
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-Wl,-z,norelro \
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module := libdlext_test_norelro
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module_tag := optional
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build_type := target
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build_target := SHARED_LIBRARY
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include $(TEST_PATH)/Android.build.mk
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# -----------------------------------------------------------------------------
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# Library used by dlext tests - different name non-default location
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# -----------------------------------------------------------------------------
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libdlext_test_fd_src_files := \
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dlext_test_library.cpp \
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libdlext_test_fd_install_to_out_data := true
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module := libdlext_test_fd
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module_tag := optional
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build_type := target
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build_target := SHARED_LIBRARY
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include $(TEST_PATH)/Android.build.mk
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# -----------------------------------------------------------------------------
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# Library used by dlfcn tests
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# -----------------------------------------------------------------------------
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libtest_simple_src_files := \
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dlopen_testlib_simple.cpp
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module := libtest_simple
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build_type := target
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build_target := SHARED_LIBRARY
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include $(TEST_PATH)/Android.build.mk
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# -----------------------------------------------------------------------------
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# Libraries used by dlfcn tests to verify correct load order:
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# libtest_check_order_2_right.so
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# -----------------------------------------------------------------------------
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libtest_check_order_2_right_src_files := \
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dlopen_testlib_answer.cpp
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libtest_check_order_2_right_cflags := -D__ANSWER=42
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module := libtest_check_order_2_right
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build_type := target
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build_target := SHARED_LIBRARY
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include $(TEST_PATH)/Android.build.mk
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# -----------------------------------------------------------------------------
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# libtest_check_order_a.so
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# -----------------------------------------------------------------------------
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libtest_check_order_a_src_files := \
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dlopen_testlib_answer.cpp
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libtest_check_order_a_cflags := -D__ANSWER=1
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module := libtest_check_order_a
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build_type := target
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build_target := SHARED_LIBRARY
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include $(TEST_PATH)/Android.build.mk
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# -----------------------------------------------------------------------------
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# libtest_check_order_b.so
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# -----------------------------------------------------------------------------
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libtest_check_order_b_src_files := \
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dlopen_testlib_answer.cpp
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libtest_check_order_b_cflags := -D__ANSWER=2 -D__ANSWER2=43
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module := libtest_check_order_b
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build_type := target
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build_target := SHARED_LIBRARY
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include $(TEST_PATH)/Android.build.mk
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# -----------------------------------------------------------------------------
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# libtest_check_order_c.so
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# -----------------------------------------------------------------------------
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libtest_check_order_3_c_src_files := \
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dlopen_testlib_answer.cpp
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libtest_check_order_3_c_cflags := -D__ANSWER=3
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module := libtest_check_order_3_c
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build_type := target
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build_target := SHARED_LIBRARY
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include $(TEST_PATH)/Android.build.mk
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# -----------------------------------------------------------------------------
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# libtest_check_order_d.so
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# -----------------------------------------------------------------------------
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libtest_check_order_d_src_files := \
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dlopen_testlib_answer.cpp
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libtest_check_order_d_shared_libraries := libtest_check_order_b
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libtest_check_order_d_cflags := -D__ANSWER=4 -D__ANSWER2=4
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module := libtest_check_order_d
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build_type := target
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build_target := SHARED_LIBRARY
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include $(TEST_PATH)/Android.build.mk
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# -----------------------------------------------------------------------------
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# libtest_check_order_left.so
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# -----------------------------------------------------------------------------
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libtest_check_order_1_left_src_files := \
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empty.cpp
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libtest_check_order_1_left_shared_libraries := libtest_check_order_a libtest_check_order_b
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module := libtest_check_order_1_left
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build_type := target
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build_target := SHARED_LIBRARY
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include $(TEST_PATH)/Android.build.mk
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# -----------------------------------------------------------------------------
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# libtest_check_order.so
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# -----------------------------------------------------------------------------
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libtest_check_order_src_files := \
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empty.cpp
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libtest_check_order_shared_libraries := libtest_check_order_1_left \
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libtest_check_order_2_right libtest_check_order_3_c
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module := libtest_check_order
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build_type := target
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build_target := SHARED_LIBRARY
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include $(TEST_PATH)/Android.build.mk
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# -----------------------------------------------------------------------------
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# Library with dependency loop used by dlfcn tests
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#
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# libtest_with_dependency_loop -> a -> b -> c -> a
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# -----------------------------------------------------------------------------
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libtest_with_dependency_loop_src_files := empty.cpp
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libtest_with_dependency_loop_shared_libraries := \
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libtest_with_dependency_loop_a
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module := libtest_with_dependency_loop
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build_type := target
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build_target := SHARED_LIBRARY
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include $(TEST_PATH)/Android.build.mk
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# -----------------------------------------------------------------------------
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# libtest_with_dependency_loop_a.so
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# -----------------------------------------------------------------------------
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libtest_with_dependency_loop_a_src_files := empty.cpp
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libtest_with_dependency_loop_a_shared_libraries := \
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libtest_with_dependency_loop_b_tmp
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module := libtest_with_dependency_loop_a
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build_type := target
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build_target := SHARED_LIBRARY
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include $(TEST_PATH)/Android.build.mk
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# -----------------------------------------------------------------------------
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# libtest_with_dependency_loop_b.so
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#
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# this is temporary placeholder - will be removed
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# -----------------------------------------------------------------------------
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libtest_with_dependency_loop_b_tmp_src_files := empty.cpp
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libtest_with_dependency_loop_b_tmp_ldflags := -Wl,-soname=libtest_with_dependency_loop_b.so
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module := libtest_with_dependency_loop_b_tmp
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build_type := target
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build_target := SHARED_LIBRARY
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include $(TEST_PATH)/Android.build.mk
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# -----------------------------------------------------------------------------
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# libtest_with_dependency_loop_b.so
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# -----------------------------------------------------------------------------
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libtest_with_dependency_loop_b_src_files := empty.cpp
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libtest_with_dependency_loop_b_shared_libraries := libtest_with_dependency_loop_c
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module := libtest_with_dependency_loop_b
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build_type := target
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build_target := SHARED_LIBRARY
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include $(TEST_PATH)/Android.build.mk
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# -----------------------------------------------------------------------------
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# libtest_with_dependency_loop_c.so
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# -----------------------------------------------------------------------------
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libtest_with_dependency_loop_c_src_files := empty.cpp
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libtest_with_dependency_loop_c_shared_libraries := \
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libtest_with_dependency_loop_a
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module := libtest_with_dependency_loop_c
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build_type := target
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build_target := SHARED_LIBRARY
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include $(TEST_PATH)/Android.build.mk
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# -----------------------------------------------------------------------------
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# libtest_relo_check_dt_needed_order.so
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# |
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# +-> libtest_relo_check_dt_needed_order_1.so
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# |
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# +-> libtest_relo_check_dt_needed_order_2.so
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# -----------------------------------------------------------------------------
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libtest_relo_check_dt_needed_order_shared_libraries := \
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libtest_relo_check_dt_needed_order_1 libtest_relo_check_dt_needed_order_2
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libtest_relo_check_dt_needed_order_src_files := dlopen_testlib_relo_check_dt_needed_order.cpp
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libtest_relo_check_dt_needed_order_1_src_files := dlopen_testlib_relo_check_dt_needed_order_1.cpp
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libtest_relo_check_dt_needed_order_2_src_files := dlopen_testlib_relo_check_dt_needed_order_2.cpp
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build_type := target
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build_target := SHARED_LIBRARY
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module := libtest_relo_check_dt_needed_order
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include $(TEST_PATH)/Android.build.mk
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module := libtest_relo_check_dt_needed_order_1
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include $(TEST_PATH)/Android.build.mk
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module := libtest_relo_check_dt_needed_order_2
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include $(TEST_PATH)/Android.build.mk
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# -----------------------------------------------------------------------------
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# Library with dependency used by dlfcn tests
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# -----------------------------------------------------------------------------
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libtest_with_dependency_src_files := \
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dlopen_testlib_simple.cpp
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libtest_with_dependency_shared_libraries := libdlext_test
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module := libtest_with_dependency
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build_type := target
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build_target := SHARED_LIBRARY
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include $(TEST_PATH)/Android.build.mk
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# -----------------------------------------------------------------------------
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# Library used by ifunc tests
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# -----------------------------------------------------------------------------
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ifeq ($(TARGET_ARCH),$(filter $(TARGET_ARCH),arm64 x86 x86_64))
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libtest_ifunc_src_files := \
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dlopen_testlib_ifunc.c
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LOCAL_SDK_VERSION := current
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module := libtest_ifunc
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build_type := target
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build_target := SHARED_LIBRARY
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ifeq ($(TARGET_ARCH),arm64)
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libtest_ifunc_multilib := 64
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# TODO: This is a workaround - remove it once gcc
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# removes its Android ifunc checks
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libtest_ifunc_cflags := -mglibc
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endif
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include $(TEST_PATH)/Android.build.mk
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endif
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# -----------------------------------------------------------------------------
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# Library used by atexit tests
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# -----------------------------------------------------------------------------
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libtest_atexit_src_files := \
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atexit_testlib.cpp
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module := libtest_atexit
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build_target := SHARED_LIBRARY
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build_type := target
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include $(TEST_PATH)/Android.build.mk
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build_type := host
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include $(TEST_PATH)/Android.build.mk
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# -----------------------------------------------------------------------------
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# Library with weak function
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# -----------------------------------------------------------------------------
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libtest_dlsym_weak_func_src_files := \
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dlsym_weak_function.cpp
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module := libtest_dlsym_weak_func
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build_target := SHARED_LIBRARY
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build_type := target
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include $(TEST_PATH)/Android.build.mk
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build_type := host
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include $(TEST_PATH)/Android.build.mk
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